[prometheus-adapter] Template prometheus.url & rename files (#205)

- Template `prometheus.url` to allow it to contain dynamic variables like release name
- Remove `custom-metrics` from the file name of template files that are not custom metrics API specific

Signed-off-by: Steven Sheehy <steven.sheehy@hedera.com>

charts/prometheus-adapter/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: prometheus-adapter
-version: 2.7.1
+version: 2.7.2
 appVersion: v0.7.0
 description: A Helm chart for k8s prometheus adapter
 home: https://github.com/DirectXMan12/k8s-prometheus-adapter

charts/prometheus-adapter/templates/deployment.yaml

@@ -26,7 +26,7 @@ spec:
         {{- end }}
       name: {{ template "k8s-prometheus-adapter.name" . }}
       annotations:
-        checksum/config: {{ include (print $.Template.BasePath "/custom-metrics-configmap.yaml") . | sha256sum }}
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
         {{- with .Values.podAnnotations }}
         {{- toYaml . | trim | nindent 8 }}
         {{- end }}
@@ -48,7 +48,7 @@ spec:
         {{- end }}
         - --cert-dir=/tmp/cert
         - --logtostderr=true
-        - --prometheus-url={{ .Values.prometheus.url }}{{ if .Values.prometheus.port }}:{{ .Values.prometheus.port }}{{end}}{{ .Values.prometheus.path }}
+        - --prometheus-url={{ tpl .Values.prometheus.url . }}{{ if .Values.prometheus.port }}:{{ .Values.prometheus.port }}{{end}}{{ .Values.prometheus.path }}
         - --metrics-relist-interval={{ .Values.metricsRelistInterval }}
         - --v={{ .Values.logLevel }}
         - --config=/etc/adapter/config.yaml

charts/prometheus-adapter/values.yaml

@@ -18,6 +18,7 @@ priorityClassName: ""
 
 # Url to access prometheus
 prometheus:
+  # Value is templated
   url: http://prometheus.default.svc
   port: 9090
   path: ""